516945799690 has 32 divisors (see below), whose sum is σ = 932333592960. Its totient is φ = 206371713600.

The previous prime is 516945799687. The next prime is 516945799709. The reversal of 516945799690 is 96997549615.

It is a super-2 number, since 2×516945799690² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14001955 + ... + 14038825.

It is an arithmetic number, because the mean of its divisors is an integer number (29135424780).

Almost surely, 2^516945799690 is an apocalyptic number.

516945799690 is a deficient number, since it is larger than the sum of its proper divisors (415387793270).

516945799690 is a wasteful number, since it uses less digits than its factorization.

516945799690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39598.

The product of its (nonzero) digits is 165337200, while the sum is 70.

The spelling of 516945799690 in words is "five hundred sixteen billion, nine hundred forty-five million, seven hundred ninety-nine thousand, six hundred ninety".